I used a wheel bearing on the larger screws.
Made it a lot easier to work.
73, Dick, W1KSZ
On Sun, Oct 10, 2021, 7:16 PM Larry via Amps <amps@contesting.com> wrote:
> I have a set of Greenlee hole punches which I have used for many years.
> They do an excellent job of cutting large holes in aluminum. Even punched a
> 2 inch meter hole in a panel.Needed a large wrench and lots of torque to
> accomplish it. :-)
> Invaluable tools for the builders.
> LarryN7DD
>
>
> -----Original Message-----
> From: KD7JYK DM09 <kd7jyk@earthlink.net>
> To: amps@contesting.com
> Sent: Mon, Oct 11, 2021 1:27 am
> Subject: Re: [Amps] Hole punches
>
> > I collected a set many years ago, and still use one (or loan one) once
> > in a while. They're an excellent tool for large holes, especially if you
> > don't own a drill press, which I don't.
>
> The only time I saw hole punches used, was around 1991, when I helped a
> fellow in HVAC over a summer. He had a Greenlee set. He'd drill a
> pilot hole, then use the punch, which cut out a piece of metal in the
> shape of a Pringles potato chip, and bent the cabinets and panels. I
> thought the idea was nice, but could do as much damage with a sharp
> chisel, and hammer, so wrote off punches at that time. Seeing that the
> design never changed, I've them little thought over the years.
>
> Kurt
>
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